#include <bits/stdc++.h>

using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int a[20], n, k, v[20];
void Afisare(int k)
{
    for (int i = 1; i <= k; i++)
        fout << a[i] << " ";
    fout << "\n";
}

void Back(int top)
{
    if (top  == k + 1) Afisare(k);
    for (int i = a[top-1] + 1; i <= n; i++)
        {
            a[top] = i;
            Back(top + 1);
        }
}

int main()
{
    fin >> n >> k;
    Back(1);
    return 0;
}